From 8487fe3f219c99dc720f99e2d53197c211deaf5b Mon Sep 17 00:00:00 2001 From: Abigail Date: Mon, 31 Jan 2022 15:50:18 +0100 Subject: Week 150: Solutions --- challenge-150/abigail/bash/ch-1.sh | 22 ++++++++++++++++++++++ challenge-150/abigail/bash/ch-2.sh | 23 +++++++++++++++++++++++ 2 files changed, 45 insertions(+) create mode 100644 challenge-150/abigail/bash/ch-1.sh create mode 100644 challenge-150/abigail/bash/ch-2.sh (limited to 'challenge-150/abigail/bash') diff --git a/challenge-150/abigail/bash/ch-1.sh b/challenge-150/abigail/bash/ch-1.sh new file mode 100644 index 0000000000..b45b0b36a7 --- /dev/null +++ b/challenge-150/abigail/bash/ch-1.sh @@ -0,0 +1,22 @@ +#!/bin/sh + +# +# See https://theweeklychallenge.org/blog/perl-weekly-challenge-150 +# + +# +# Run as: bash ch-1.sh < input-file +# + +set -f + +LENGTH=51 + +while read fib_prev fib_last +do while ((${#fib_last} < LENGTH)) + do fib_tmp=$fib_last + fib_last=$fib_prev$fib_last + fib_prev=$fib_tmp + done + echo ${fib_last:$((LENGTH - 1)):1} +done diff --git a/challenge-150/abigail/bash/ch-2.sh b/challenge-150/abigail/bash/ch-2.sh new file mode 100644 index 0000000000..0fe90e5309 --- /dev/null +++ b/challenge-150/abigail/bash/ch-2.sh @@ -0,0 +1,23 @@ +#!/bin/sh + +# +# See https://theweeklychallenge.org/blog/perl-weekly-challenge-150 +# + +# +# Run as: bash ch-2.sh +# + +set -f +PRIMES=(2 3 5 7 11 13 17 19) + +for ((n = 1; n <= 500; n ++)) +do for p in ${PRIMES[@]} + do if ((n % (p * p) == 0)) + then continue 2 + fi + done + printf "%d " $n +done + +echo -- cgit